Children are scary, especially in films. They’re even scarier when they’re related to the devil. Damien, the iconic little adoptee from 'The Omen', scared his new family to death and set his sights on world domination. All this without being old enough to buy a beer. It's always the quiet ones...

Killer line: (as spoken by a pre-suicidal nanny) "Look at me Damien! It’s all for you!"